00383nam a2200133Ia 4500008004100000020001700041040003800058100002300096245003700119250000800156260003900164300001200203653003400215211228s9999    xx            000 0 und d  a14 0209 71 9  cJayakar Knowledge Resource Centre  aSchofield, Michael 0aSexual behaviour of young people  a1st  bPenguin BooksaHarmondsworthc1972  a272p p.  ayoung adults-Sexual behaviour